A. M. Zakirova
Kazan State Medical University
Russian Federation

Alfiya M. Zakirova, Cand. of Sci. (Med.), Associate Professor, Associate Professor of Chair for Propaedeutics of Children’s Diseases and Intermediate Level Paediatrics

49, Butlerova St., Kazan, 420012

O. I. Pikuza
Kazan State Medical University
Russian Federation

Olga I. Pikuza, Dr. of Sci. (Med.), Professor, Professor of Chair for Propaedeutics of Children’s Diseases and Intermediate Level Paediatrics

49, Butlerova St., Kazan, 420012

E. V. Volyanyuk
Kazan State Medical Academy – Branch of the Russian Medical Academy of Continuing Postgraduate Education
Russian Federation

Elena V. Volyanyuk, Cand. of Sci. (Med.), Associate Professor, Associate Professor of Chair for Pediatrics and Neonatology

11, Mushtari St., Kazan, 420012

E. K. Rashitova
Kazan State Medical University
Russian Federation

Elina K. Rashitova, Dr. of Sci. (Med.), Laboratory Assistant of Chair for Propaedeutics of Children’s Diseases and Intermediate Level Paediatrics

49, Butlerova St., Kazan, 420012